CH3Cl Dissociation, CH3 abstraction, and Cl adsorption from the dissociative scattering of supersonic CH3Cl on Cu(111) and Cu(410)

被引：2
|
作者：
Makino, Takamasa [1 ]
Tsuda, Yasutaka [2 ]
Yoshigoe, Akitaka [2 ]
Dino, Wilson Agerico [3 ]
Okada, Michio [1 ,4 ]
机构：
[1] Osaka Univ, Grad Sch Sci, Dept Chem, Toyonaka, Osaka 5600043, Japan
[2] Japan Atom Energy Agcy, Mat Sci Res Ctr, Sayo, Hyogo 6795148, Japan
[3] Osaka Univ, Dept Appl Phys, Suita, Osaka 5650871, Japan
[4] Osaka Univ, Inst Radiat Sci, Toyonaka, Osaka 5600043, Japan
来源：
APPLIED SURFACE SCIENCE | 2024年 / 642卷
关键词：
WORK FUNCTION; METHYL-CHLORIDE; CHARGE-TRANSFER; SURFACE; METHYLCHLOROSILANES; ORIENTATION; ENERGY;
D O I：
10.1016/j.apsusc.2023.158568
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
To study the elementary steps in the Rochow-Muller process, we bombarded Cu(111) and Cu(410) with 0.7-1.9 eV supersonic molecular beams (SSMB) of CH3Cl. We then identified the corresponding adsorbed species using X-ray photoemission spectroscopy (XPS) in conjunction with synchrotron radiation (SR). We found Cl as the dominant adsorbed species (much higher than that of adsorbed carbonaceous species) coming from the dissociative scattering of CH3Cl. We also found that the threshold kinetic energy of the reaction depends on the crystal surface orientation.
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页数：6
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